Titled "The Lost and the Plunderers," this episode follows Rick and Michonne dealing with the aftermath of Carl's death. It is not a series or season finale.
This is the actual season finale where the winner of the "Next Drag Superstar" title is crowned among finalists Bob the Drag Queen, Kim Chi, and Naomi Smalls. [S8E10] Grand Finale
The query could refer to a few different popular television series. Based on the episode title and season number, here are the most likely interpretations: Titled "The Lost and the Plunderers," this episode